citadel/room_ops.c

   1 /*
   2  * $Id$
   3  *
   4  * Server functions which perform operations on room objects.
   5  *
   6  */
   7
   8 #ifdef DLL_EXPORT
   9 #define IN_LIBCIT
  10 #endif
  11
  12 #include "sysdep.h"
  13 #include <stdlib.h>
  14 #include <unistd.h>
  15 #include <stdio.h>
  16 #include <sys/stat.h>
  17 #include <ctype.h>
  18 #include <string.h>
  19
  20 #if TIME_WITH_SYS_TIME
  21 # include <sys/time.h>
  22 # include <time.h>
  23 #else
  24 # if HAVE_SYS_TIME_H
  25 #  include <sys/time.h>
  26 # else
  27 #  include <time.h>
  28 # endif
  29 #endif
  30
  31 #include <limits.h>
  32 #include <errno.h>
  33 #include "citadel.h"
  34 #include "server.h"
  35 #include "serv_extensions.h"
  36 #include "database.h"
  37 #include "config.h"
  38 #include "room_ops.h"
  39 #include "sysdep_decls.h"
  40 #include "support.h"
  41 #include "user_ops.h"
  42 #include "msgbase.h"
  43 #include "citserver.h"
  44 #include "control.h"
  45 #include "tools.h"
  46
  47 struct floor *floorcache[MAXFLOORS];
  48
  49 /*
  50  * Generic routine for determining user access to rooms
  51  */
  52 void CtdlRoomAccess(struct ctdlroom *roombuf, struct ctdluser *userbuf,
  53                 int *result, int *view)
  54 {
  55         int retval = 0;
  56         struct visit vbuf;
  57
  58         /* for internal programs, always do everything */
  59         if (((CC->internal_pgm)) && (roombuf->QRflags & QR_INUSE)) {
  60                 retval = (UA_KNOWN | UA_GOTOALLOWED);
  61                 vbuf.v_view = 0;
  62                 goto SKIP_EVERYTHING;
  63         }
  64
  65         /* Locate any applicable user/room relationships */
  66         CtdlGetRelationship(&vbuf, userbuf, roombuf);
  67
  68         /* Force the properties of the Aide room */
  69         if (!strcasecmp(roombuf->QRname, config.c_aideroom)) {
  70                 if (userbuf->axlevel >= 6) {
  71                         retval = UA_KNOWN | UA_GOTOALLOWED;
  72                 } else {
  73                         retval = 0;
  74                 }
  75                 goto NEWMSG;
  76         }
  77
  78         /* If this is a public room, it's accessible... */
  79         if ( ((roombuf->QRflags & QR_PRIVATE) == 0)
  80            && ((roombuf->QRflags & QR_MAILBOX) == 0) ) {
  81                 retval = retval | UA_KNOWN | UA_GOTOALLOWED;
  82         }
  83
  84         /* If this is a preferred users only room, check access level */
  85         if (roombuf->QRflags & QR_PREFONLY) {
  86                 if (userbuf->axlevel < 5) {
  87                         retval = retval & ~UA_KNOWN & ~UA_GOTOALLOWED;
  88                 }
  89         }
  90
  91         /* For private rooms, check the generation number matchups */
  92         if ( (roombuf->QRflags & QR_PRIVATE)
  93            && ((roombuf->QRflags & QR_MAILBOX) == 0) ) {
  94
  95                 /* An explicit match means the user belongs in this room */
  96                 if (vbuf.v_flags & V_ACCESS) {
  97                         retval = retval | UA_KNOWN | UA_GOTOALLOWED;
  98                 }
  99                 /* Otherwise, check if this is a guess-name or passworded
 100                  * room.  If it is, a goto may at least be attempted
 101                  */
 102                 else if ((roombuf->QRflags & QR_PRIVATE)
 103                          || (roombuf->QRflags & QR_PASSWORDED)) {
 104                         retval = retval & ~UA_KNOWN;
 105                         retval = retval | UA_GOTOALLOWED;
 106                 }
 107         }
 108
 109         /* For mailbox rooms, also check the generation number matchups */
 110         if (roombuf->QRflags & QR_MAILBOX) {
 111                 if (userbuf->usernum == atol(roombuf->QRname)) {
 112                         retval = retval | UA_KNOWN | UA_GOTOALLOWED;
 113                 }
 114                 /* An explicit match means the user belongs in this room */
 115                 if (vbuf.v_flags & V_ACCESS) {
 116                         retval = retval | UA_KNOWN | UA_GOTOALLOWED;
 117                 }
 118         }
 119
 120         /* Check to see if the user has forgotten this room */
 121         if (vbuf.v_flags & V_FORGET) {
 122                 retval = retval & ~UA_KNOWN;
 123                 if ( ( ((roombuf->QRflags & QR_PRIVATE) == 0)
 124                       && ((roombuf->QRflags & QR_MAILBOX) == 0) )
 125                    || ( (roombuf->QRflags & QR_MAILBOX)
 126                       && (atol(roombuf->QRname) == CC->user.usernum))) {
 127                         retval = retval | UA_ZAPPED;
 128                 }
 129         }
 130         /* If user is explicitly locked out of this room, deny everything */
 131         if (vbuf.v_flags & V_LOCKOUT) {
 132                 retval = retval & ~UA_KNOWN & ~UA_GOTOALLOWED;
 133         }
 134
 135         /* Aides get access to all private rooms */
 136         if ( (userbuf->axlevel >= 6)
 137            && ((roombuf->QRflags & QR_MAILBOX) == 0) ) {
 138                 if (vbuf.v_flags & V_FORGET) {
 139                         retval = retval | UA_GOTOALLOWED;
 140                 }
 141                 else {
 142                         retval = retval | UA_KNOWN | UA_GOTOALLOWED;
 143                 }
 144         }
 145
 146         /* Aides can gain access to mailboxes as well, but they don't show
 147          * by default.
 148          */
 149         if ( (userbuf->axlevel >= 6)
 150            && (roombuf->QRflags & QR_MAILBOX) ) {
 151                 retval = retval | UA_GOTOALLOWED;
 152         }
 153
 154 NEWMSG: /* By the way, we also check for the presence of new messages */
 155         if (is_msg_in_mset(vbuf.v_seen, roombuf->QRhighest) == 0) {
 156                 retval = retval | UA_HASNEWMSGS;
 157         }
 158
 159         /* System rooms never show up in the list. */
 160         if (roombuf->QRflags2 & QR2_SYSTEM) {
 161                 retval = retval & ~UA_KNOWN;
 162         }
 163
 164 SKIP_EVERYTHING:
 165         /* Now give the caller the information it wants. */
 166         if (result != NULL) *result = retval;
 167         if (view != NULL) *view = vbuf.v_view;
 168 }
 169
 170 /*
 171  * Self-checking stuff for a room record read into memory
 172  */
 173 void room_sanity_check(struct ctdlroom *qrbuf)
 174 {
 175         /* Mailbox rooms are always on the lowest floor */
 176         if (qrbuf->QRflags & QR_MAILBOX) {
 177                 qrbuf->QRfloor = 0;
 178         }
 179         /* Listing order of 0 is illegal except for base rooms */
 180         if (qrbuf->QRorder == 0)
 181                 if (!(qrbuf->QRflags & QR_MAILBOX) &&
 182                     strncasecmp(qrbuf->QRname, config.c_baseroom, ROOMNAMELEN)
 183                     &&
 184                     strncasecmp(qrbuf->QRname, config.c_aideroom, ROOMNAMELEN))
 185                         qrbuf->QRorder = 64;
 186 }
 187
 188
 189 /*
 190  * getroom()  -  retrieve room data from disk
 191  */
 192 int getroom(struct ctdlroom *qrbuf, char *room_name)
 193 {
 194         struct cdbdata *cdbqr;
 195         char lowercase_name[ROOMNAMELEN];
 196         char personal_lowercase_name[ROOMNAMELEN];
 197         int a;
 198
 199         for (a = 0; room_name[a] && a < sizeof lowercase_name - 1; ++a) {
 200                 lowercase_name[a] = tolower(room_name[a]);
 201         }
 202         lowercase_name[a] = 0;
 203
 204         memset(qrbuf, 0, sizeof(struct ctdlroom));
 205
 206         /* First, try the public namespace */
 207         cdbqr = cdb_fetch(CDB_ROOMS,
 208                           lowercase_name, strlen(lowercase_name));
 209
 210         /* If that didn't work, try the user's personal namespace */
 211         if (cdbqr == NULL) {
 212                 snprintf(personal_lowercase_name,
 213                          sizeof personal_lowercase_name, "%010ld.%s",
 214                          CC->user.usernum, lowercase_name);
 215                 cdbqr = cdb_fetch(CDB_ROOMS,
 216                                   personal_lowercase_name,
 217                                   strlen(personal_lowercase_name));
 218         }
 219         if (cdbqr != NULL) {
 220                 memcpy(qrbuf, cdbqr->ptr,
 221                        ((cdbqr->len > sizeof(struct ctdlroom)) ?
 222                         sizeof(struct ctdlroom) : cdbqr->len));
 223                 cdb_free(cdbqr);
 224
 225                 room_sanity_check(qrbuf);
 226
 227                 return (0);
 228         } else {
 229                 return (1);
 230         }
 231 }
 232
 233 /*
 234  * lgetroom()  -  same as getroom() but locks the record (if supported)
 235  */
 236 int lgetroom(struct ctdlroom *qrbuf, char *room_name)
 237 {
 238         register int retval;
 239         retval = getroom(qrbuf, room_name);
 240         if (retval == 0) begin_critical_section(S_ROOMS);
 241         return(retval);
 242 }
 243
 244
 245 /*
 246  * b_putroom()  -  back end to putroom() and b_deleteroom()
 247  *              (if the supplied buffer is NULL, delete the room record)
 248  */
 249 void b_putroom(struct ctdlroom *qrbuf, char *room_name)
 250 {
 251         char lowercase_name[ROOMNAMELEN];
 252         int a;
 253
 254         for (a = 0; a <= strlen(room_name); ++a) {
 255                 lowercase_name[a] = tolower(room_name[a]);
 256         }
 257
 258         if (qrbuf == NULL) {
 259                 cdb_delete(CDB_ROOMS,
 260                            lowercase_name, strlen(lowercase_name));
 261         } else {
 262                 time(&qrbuf->QRmtime);
 263                 cdb_store(CDB_ROOMS,
 264                           lowercase_name, strlen(lowercase_name),
 265                           qrbuf, sizeof(struct ctdlroom));
 266         }
 267 }
 268
 269
 270 /*
 271  * putroom()  -  store room data to disk
 272  */
 273 void putroom(struct ctdlroom *qrbuf) {
 274         b_putroom(qrbuf, qrbuf->QRname);
 275 }
 276
 277
 278 /*
 279  * b_deleteroom()  -  delete a room record from disk
 280  */
 281 void b_deleteroom(char *room_name) {
 282         b_putroom(NULL, room_name);
 283 }
 284
 285
 286
 287 /*
 288  * lputroom()  -  same as putroom() but unlocks the record (if supported)
 289  */
 290 void lputroom(struct ctdlroom *qrbuf)
 291 {
 292
 293         putroom(qrbuf);
 294         end_critical_section(S_ROOMS);
 295
 296 }
 297
 298 /****************************************************************************/
 299
 300 /*
 301  * getfloor()  -  retrieve floor data from disk
 302  */
 303 void getfloor(struct floor *flbuf, int floor_num)
 304 {
 305         struct cdbdata *cdbfl;
 306
 307         memset(flbuf, 0, sizeof(struct floor));
 308         cdbfl = cdb_fetch(CDB_FLOORTAB, &floor_num, sizeof(int));
 309         if (cdbfl != NULL) {
 310                 memcpy(flbuf, cdbfl->ptr,
 311                        ((cdbfl->len > sizeof(struct floor)) ?
 312                         sizeof(struct floor) : cdbfl->len));
 313                 cdb_free(cdbfl);
 314         } else {
 315                 if (floor_num == 0) {
 316                         safestrncpy(flbuf->f_name, "Main Floor",
 317                                 sizeof flbuf->f_name);
 318                         flbuf->f_flags = F_INUSE;
 319                         flbuf->f_ref_count = 3;
 320                 }
 321         }
 322
 323 }
 324
 325 /*
 326  * lgetfloor()  -  same as getfloor() but locks the record (if supported)
 327  */
 328 void lgetfloor(struct floor *flbuf, int floor_num)
 329 {
 330
 331         begin_critical_section(S_FLOORTAB);
 332         getfloor(flbuf, floor_num);
 333 }
 334
 335
 336 /*
 337  * cgetfloor()  -  Get floor record from *cache* (loads from disk if needed)
 338  *
 339  * This is strictly a performance hack.
 340  */
 341 struct floor *cgetfloor(int floor_num) {
 342         static int initialized = 0;
 343         int i;
 344         int fetch_new = 0;
 345         struct floor *fl = NULL;
 346
 347         begin_critical_section(S_FLOORCACHE);
 348         if (initialized == 0) {
 349                 for (i=0; i<MAXFLOORS; ++i) {
 350                         floorcache[floor_num] = NULL;
 351                 }
 352         initialized = 1;
 353         }
 354         if (floorcache[floor_num] == NULL) {
 355                 fetch_new = 1;
 356         }
 357         end_critical_section(S_FLOORCACHE);
 358
 359         if (fetch_new) {
 360                 lprintf(CTDL_DEBUG, "fetch_new is active ... going to disk\n");
 361                 fl = malloc(sizeof(struct floor));
 362                 getfloor(fl, floor_num);
 363                 begin_critical_section(S_FLOORCACHE);
 364                 if (floorcache[floor_num] != NULL) {
 365                         free(floorcache[floor_num]);
 366                 }
 367                 floorcache[floor_num] = fl;
 368                 end_critical_section(S_FLOORCACHE);
 369         }
 370
 371         return(floorcache[floor_num]);
 372 }
 373
 374
 375
 376 /*
 377  * putfloor()  -  store floor data on disk
 378  */
 379 void putfloor(struct floor *flbuf, int floor_num)
 380 {
 381         /* If we've cached this, clear it out, 'cuz it's WRONG now! */
 382         begin_critical_section(S_FLOORCACHE);
 383         if (floorcache[floor_num] != NULL) {
 384                 free(floorcache[floor_num]);
 385                 floorcache[floor_num] = malloc(sizeof(struct floor));
 386                 memcpy(floorcache[floor_num], flbuf, sizeof(struct floor));
 387         }
 388         end_critical_section(S_FLOORCACHE);
 389
 390         cdb_store(CDB_FLOORTAB, &floor_num, sizeof(int),
 391                   flbuf, sizeof(struct floor));
 392 }
 393
 394
 395 /*
 396  * lputfloor()  -  same as putfloor() but unlocks the record (if supported)
 397  */
 398 void lputfloor(struct floor *flbuf, int floor_num)
 399 {
 400
 401         putfloor(flbuf, floor_num);
 402         end_critical_section(S_FLOORTAB);
 403
 404 }
 405
 406
 407 /*
 408  *  Traverse the room file...
 409  */
 410 void ForEachRoom(void (*CallBack) (struct ctdlroom *EachRoom, void *out_data),
 411                 void *in_data)
 412 {
 413         struct ctdlroom qrbuf;
 414         struct cdbdata *cdbqr;
 415
 416         cdb_rewind(CDB_ROOMS);
 417
 418         while (cdbqr = cdb_next_item(CDB_ROOMS), cdbqr != NULL) {
 419                 memset(&qrbuf, 0, sizeof(struct ctdlroom));
 420                 memcpy(&qrbuf, cdbqr->ptr,
 421                        ((cdbqr->len > sizeof(struct ctdlroom)) ?
 422                         sizeof(struct ctdlroom) : cdbqr->len));
 423                 cdb_free(cdbqr);
 424                 room_sanity_check(&qrbuf);
 425                 if (qrbuf.QRflags & QR_INUSE)
 426                         (*CallBack)(&qrbuf, in_data);
 427         }
 428 }
 429
 430
 431 /*
 432  * delete_msglist()  -  delete room message pointers
 433  */
 434 void delete_msglist(struct ctdlroom *whichroom)
 435 {
 436         struct cdbdata *cdbml;
 437
 438         /* Make sure the msglist we're deleting actually exists, otherwise
 439          * gdbm will complain when we try to delete an invalid record
 440          */
 441         cdbml = cdb_fetch(CDB_MSGLISTS, &whichroom->QRnumber, sizeof(long));
 442         if (cdbml != NULL) {
 443                 cdb_free(cdbml);
 444
 445                 /* Go ahead and delete it */
 446                 cdb_delete(CDB_MSGLISTS, &whichroom->QRnumber, sizeof(long));
 447         }
 448 }
 449
 450
 451
 452
 453 /*
 454  * sort message pointers
 455  * (returns new msg count)
 456  */
 457 int sort_msglist(long listptrs[], int oldcount)
 458 {
 459         int a, b;
 460         long hold1, hold2;
 461         int numitems;
 462
 463         numitems = oldcount;
 464         if (numitems < 2)
 465                 return (oldcount);
 466
 467         /* do the sort */
 468         for (a = numitems - 2; a >= 0; --a) {
 469                 for (b = 0; b <= a; ++b) {
 470                         if (listptrs[b] > (listptrs[b + 1])) {
 471                                 hold1 = listptrs[b];
 472                                 hold2 = listptrs[b + 1];
 473                                 listptrs[b] = hold2;
 474                                 listptrs[b + 1] = hold1;
 475                         }
 476                 }
 477         }
 478
 479         /* and yank any nulls */
 480         while ((numitems > 0) && (listptrs[0] == 0L)) {
 481                 memcpy(&listptrs[0], &listptrs[1],
 482                        (sizeof(long) * (numitems - 1)));
 483                 --numitems;
 484         }
 485
 486         return (numitems);
 487 }
 488
 489
 490 /*
 491  * Determine whether a given room is non-editable.
 492  */
 493 int is_noneditable(struct ctdlroom *qrbuf)
 494 {
 495
 496         /* Mail> rooms are non-editable */
 497         if ( (qrbuf->QRflags & QR_MAILBOX)
 498              && (!strcasecmp(&qrbuf->QRname[11], MAILROOM)) )
 499                 return (1);
 500
 501         /* Everything else is editable */
 502         return (0);
 503 }
 504
 505
 506
 507 /*
 508  * Back-back-end for all room listing commands
 509  */
 510 void list_roomname(struct ctdlroom *qrbuf, int ra, int view)
 511 {
 512         char truncated_roomname[ROOMNAMELEN];
 513
 514         /* For my own mailbox rooms, chop off the owner prefix */
 515         if ( (qrbuf->QRflags & QR_MAILBOX)
 516              && (atol(qrbuf->QRname) == CC->user.usernum) ) {
 517                 safestrncpy(truncated_roomname, qrbuf->QRname, sizeof truncated_roomname);
 518                 safestrncpy(truncated_roomname, &truncated_roomname[11], sizeof truncated_roomname);
 519                 cprintf("%s", truncated_roomname);
 520         }
 521         /* For all other rooms, just display the name in its entirety */
 522         else {
 523                 cprintf("%s", qrbuf->QRname);
 524         }
 525
 526         /* ...and now the other parameters */
 527         cprintf("|%u|%d|%d|%d|%d|%d|\n",
 528                 qrbuf->QRflags,
 529                 (int) qrbuf->QRfloor,
 530                 (int) qrbuf->QRorder,
 531                 (int) qrbuf->QRflags2,
 532                 ra,
 533                 view
 534         );
 535 }
 536
 537
 538 /*
 539  * cmd_lrms()   -  List all accessible rooms, known or forgotten
 540  */
 541 void cmd_lrms_backend(struct ctdlroom *qrbuf, void *data)
 542 {
 543         int FloorBeingSearched = (-1);
 544         int ra;
 545         int view;
 546
 547         FloorBeingSearched = *(int *)data;
 548         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
 549
 550         if ((( ra & (UA_KNOWN | UA_ZAPPED)))
 551             && ((qrbuf->QRfloor == (FloorBeingSearched))
 552                 || ((FloorBeingSearched) < 0)))
 553                 list_roomname(qrbuf, ra, view);
 554 }
 555
 556 void cmd_lrms(char *argbuf)
 557 {
 558         int FloorBeingSearched = (-1);
 559         if (strlen(argbuf) > 0)
 560                 FloorBeingSearched = extract_int(argbuf, 0);
 561
 562         if (CtdlAccessCheck(ac_logged_in)) return;
 563
 564         if (getuser(&CC->user, CC->curr_user)) {
 565                 cprintf("%d Can't locate user!\n", ERROR + INTERNAL_ERROR);
 566                 return;
 567         }
 568         cprintf("%d Accessible rooms:\n", LISTING_FOLLOWS);
 569
 570         ForEachRoom(cmd_lrms_backend, &FloorBeingSearched);
 571         cprintf("000\n");
 572 }
 573
 574
 575
 576 /*
 577  * cmd_lkra()   -  List all known rooms
 578  */
 579 void cmd_lkra_backend(struct ctdlroom *qrbuf, void *data)
 580 {
 581         int FloorBeingSearched = (-1);
 582         int ra;
 583         int view;
 584
 585         FloorBeingSearched = *(int *)data;
 586         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
 587
 588         if ((( ra & (UA_KNOWN)))
 589             && ((qrbuf->QRfloor == (FloorBeingSearched))
 590                 || ((FloorBeingSearched) < 0)))
 591                 list_roomname(qrbuf, ra, view);
 592 }
 593
 594 void cmd_lkra(char *argbuf)
 595 {
 596         int FloorBeingSearched = (-1);
 597         if (strlen(argbuf) > 0)
 598                 FloorBeingSearched = extract_int(argbuf, 0);
 599
 600         if (CtdlAccessCheck(ac_logged_in)) return;
 601
 602         if (getuser(&CC->user, CC->curr_user)) {
 603                 cprintf("%d Can't locate user!\n", ERROR + INTERNAL_ERROR);
 604                 return;
 605         }
 606         cprintf("%d Known rooms:\n", LISTING_FOLLOWS);
 607
 608         ForEachRoom(cmd_lkra_backend, &FloorBeingSearched);
 609         cprintf("000\n");
 610 }
 611
 612
 613
 614 void cmd_lprm_backend(struct ctdlroom *qrbuf, void *data)
 615 {
 616         int FloorBeingSearched = (-1);
 617         int ra;
 618         int view;
 619
 620         FloorBeingSearched = *(int *)data;
 621         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
 622
 623         if (   ((qrbuf->QRflags & QR_PRIVATE) == 0)
 624                 && ((qrbuf->QRflags & QR_MAILBOX) == 0)
 625             && ((qrbuf->QRfloor == (FloorBeingSearched))
 626                 || ((FloorBeingSearched) < 0)))
 627                 list_roomname(qrbuf, ra, view);
 628 }
 629
 630 void cmd_lprm(char *argbuf)
 631 {
 632         int FloorBeingSearched = (-1);
 633         if (strlen(argbuf) > 0)
 634                 FloorBeingSearched = extract_int(argbuf, 0);
 635
 636         cprintf("%d Publiic rooms:\n", LISTING_FOLLOWS);
 637
 638         ForEachRoom(cmd_lprm_backend, &FloorBeingSearched);
 639         cprintf("000\n");
 640 }
 641
 642
 643
 644 /*
 645  * cmd_lkrn()   -  List all known rooms with new messages
 646  */
 647 void cmd_lkrn_backend(struct ctdlroom *qrbuf, void *data)
 648 {
 649         int FloorBeingSearched = (-1);
 650         int ra;
 651         int view;
 652
 653         FloorBeingSearched = *(int *)data;
 654         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
 655
 656         if ((ra & UA_KNOWN)
 657             && (ra & UA_HASNEWMSGS)
 658             && ((qrbuf->QRfloor == (FloorBeingSearched))
 659                 || ((FloorBeingSearched) < 0)))
 660                 list_roomname(qrbuf, ra, view);
 661 }
 662
 663 void cmd_lkrn(char *argbuf)
 664 {
 665         int FloorBeingSearched = (-1);
 666         if (strlen(argbuf) > 0)
 667                 FloorBeingSearched = extract_int(argbuf, 0);
 668
 669         if (CtdlAccessCheck(ac_logged_in)) return;
 670
 671         if (getuser(&CC->user, CC->curr_user)) {
 672                 cprintf("%d Can't locate user!\n", ERROR + INTERNAL_ERROR);
 673                 return;
 674         }
 675         cprintf("%d Rooms w/ new msgs:\n", LISTING_FOLLOWS);
 676
 677         ForEachRoom(cmd_lkrn_backend, &FloorBeingSearched);
 678         cprintf("000\n");
 679 }
 680
 681
 682
 683 /*
 684  * cmd_lkro()   -  List all known rooms
 685  */
 686 void cmd_lkro_backend(struct ctdlroom *qrbuf, void *data)
 687 {
 688         int FloorBeingSearched = (-1);
 689         int ra;
 690         int view;
 691
 692         FloorBeingSearched = *(int *)data;
 693         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
 694
 695         if ((ra & UA_KNOWN)
 696             && ((ra & UA_HASNEWMSGS) == 0)
 697             && ((qrbuf->QRfloor == (FloorBeingSearched))
 698                 || ((FloorBeingSearched) < 0)))
 699                 list_roomname(qrbuf, ra, view);
 700 }
 701
 702 void cmd_lkro(char *argbuf)
 703 {
 704         int FloorBeingSearched = (-1);
 705         if (strlen(argbuf) > 0)
 706                 FloorBeingSearched = extract_int(argbuf, 0);
 707
 708         if (CtdlAccessCheck(ac_logged_in)) return;
 709
 710         if (getuser(&CC->user, CC->curr_user)) {
 711                 cprintf("%d Can't locate user!\n", ERROR + INTERNAL_ERROR);
 712                 return;
 713         }
 714         cprintf("%d Rooms w/o new msgs:\n", LISTING_FOLLOWS);
 715
 716         ForEachRoom(cmd_lkro_backend, &FloorBeingSearched);
 717         cprintf("000\n");
 718 }
 719
 720
 721
 722 /*
 723  * cmd_lzrm()   -  List all forgotten rooms
 724  */
 725 void cmd_lzrm_backend(struct ctdlroom *qrbuf, void *data)
 726 {
 727         int FloorBeingSearched = (-1);
 728         int ra;
 729         int view;
 730
 731         FloorBeingSearched = *(int *)data;
 732         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
 733
 734         if ((ra & UA_GOTOALLOWED)
 735             && (ra & UA_ZAPPED)
 736             && ((qrbuf->QRfloor == (FloorBeingSearched))
 737                 || ((FloorBeingSearched) < 0)))
 738                 list_roomname(qrbuf, ra, view);
 739 }
 740
 741 void cmd_lzrm(char *argbuf)
 742 {
 743         int FloorBeingSearched = (-1);
 744         if (strlen(argbuf) > 0)
 745                 FloorBeingSearched = extract_int(argbuf, 0);
 746
 747         if (CtdlAccessCheck(ac_logged_in)) return;
 748
 749         if (getuser(&CC->user, CC->curr_user)) {
 750                 cprintf("%d Can't locate user!\n", ERROR + INTERNAL_ERROR);
 751                 return;
 752         }
 753         cprintf("%d Zapped rooms:\n", LISTING_FOLLOWS);
 754
 755         ForEachRoom(cmd_lzrm_backend, &FloorBeingSearched);
 756         cprintf("000\n");
 757 }
 758
 759
 760 /*
 761  * Make the specified room the current room for this session.  No validation
 762  * or access control is done here -- the caller should make sure that the
 763  * specified room exists and is ok to access.
 764  */
 765 void usergoto(char *where, int display_result, int transiently,
 766                 int *retmsgs, int *retnew)
 767 {
 768         int a;
 769         int new_messages = 0;
 770         int total_messages = 0;
 771         int info = 0;
 772         int rmailflag;
 773         int raideflag;
 774         int newmailcount = 0;
 775         struct visit vbuf;
 776         char truncated_roomname[ROOMNAMELEN];
 777         struct cdbdata *cdbfr;
 778         long *msglist = NULL;
 779         int num_msgs = 0;
 780         unsigned int original_v_flags;
 781
 782         /* If the supplied room name is NULL, the caller wants us to know that
 783          * it has already copied the room record into CC->room, so
 784          * we can skip the extra database fetch.
 785          */
 786         if (where != NULL) {
 787                 safestrncpy(CC->room.QRname, where, sizeof CC->room.QRname);
 788                 getroom(&CC->room, where);
 789         }
 790
 791         /* Take care of all the formalities. */
 792
 793         begin_critical_section(S_USERS);
 794         CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
 795         original_v_flags = vbuf.v_flags;
 796
 797         /* Know the room ... but not if it's the page log room, or if the
 798          * caller specified that we're only entering this room transiently.
 799          */
 800         if ((strcasecmp(CC->room.QRname, config.c_logpages))
 801            && (transiently == 0) ) {
 802                 vbuf.v_flags = vbuf.v_flags & ~V_FORGET & ~V_LOCKOUT;
 803                 vbuf.v_flags = vbuf.v_flags | V_ACCESS;
 804         }
 805
 806         /* Only rewrite the database record if we changed something */
 807         if (vbuf.v_flags != original_v_flags) {
 808                 CtdlSetRelationship(&vbuf, &CC->user, &CC->room);
 809         }
 810         end_critical_section(S_USERS);
 811
 812         /* Check for new mail */
 813         newmailcount = NewMailCount();
 814
 815         /* set info to 1 if the user needs to read the room's info file */
 816         if (CC->room.QRinfo > vbuf.v_lastseen) {
 817                 info = 1;
 818         }
 819
 820         get_mm();
 821         cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
 822         if (cdbfr != NULL) {
 823                 msglist = malloc(cdbfr->len);
 824                 memcpy(msglist, cdbfr->ptr, cdbfr->len);
 825                 num_msgs = cdbfr->len / sizeof(long);
 826                 cdb_free(cdbfr);
 827         }
 828
 829         if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
 830                 if (msglist[a] > 0L) {
 831                         ++total_messages;
 832                         if (is_msg_in_mset(vbuf.v_seen, msglist[a]) == 0) {
 833                                 ++new_messages;
 834                         }
 835                 }
 836         }
 837
 838         if (msglist != NULL) free(msglist);
 839
 840         if (CC->room.QRflags & QR_MAILBOX)
 841                 rmailflag = 1;
 842         else
 843                 rmailflag = 0;
 844
 845         if ((CC->room.QRroomaide == CC->user.usernum)
 846             || (CC->user.axlevel >= 6))
 847                 raideflag = 1;
 848         else
 849                 raideflag = 0;
 850
 851         safestrncpy(truncated_roomname, CC->room.QRname, sizeof truncated_roomname);
 852         if ( (CC->room.QRflags & QR_MAILBOX)
 853            && (atol(CC->room.QRname) == CC->user.usernum) ) {
 854                 safestrncpy(truncated_roomname, &truncated_roomname[11], sizeof truncated_roomname);
 855         }
 856
 857         if (retmsgs != NULL) *retmsgs = total_messages;
 858         if (retnew != NULL) *retnew = new_messages;
 859         lprintf(CTDL_DEBUG, "<%s> %d new of %d total messages\n",
 860                 CC->room.QRname,
 861                 new_messages, total_messages
 862         );
 863
 864         CC->curr_view = (int)vbuf.v_view;
 865
 866         if (display_result) {
 867                 cprintf("%d%c%s|%d|%d|%d|%d|%ld|%ld|%d|%d|%d|%d|%d|%d|\n",
 868                         CIT_OK, CtdlCheckExpress(),
 869                         truncated_roomname,
 870                         (int)new_messages,
 871                         (int)total_messages,
 872                         (int)info,
 873                         (int)CC->room.QRflags,
 874                         (long)CC->room.QRhighest,
 875                         (long)vbuf.v_lastseen,
 876                         (int)rmailflag,
 877                         (int)raideflag,
 878                         (int)newmailcount,
 879                         (int)CC->room.QRfloor,
 880                         (int)vbuf.v_view,
 881                         (int)CC->room.QRdefaultview
 882                 );
 883         }
 884 }
 885
 886
 887 /*
 888  * cmd_goto()  -  goto a new room
 889  */
 890 void cmd_goto(char *gargs)
 891 {
 892         struct ctdlroom QRscratch;
 893         int c;
 894         int ok = 0;
 895         int ra;
 896         char augmented_roomname[ROOMNAMELEN];
 897         char towhere[ROOMNAMELEN];
 898         char password[32];
 899         int transiently = 0;
 900
 901         if (CtdlAccessCheck(ac_logged_in)) return;
 902
 903         extract_token(towhere, gargs, 0, '|', sizeof towhere);
 904         extract_token(password, gargs, 1, '|', sizeof password);
 905         transiently = extract_int(gargs, 2);
 906
 907         getuser(&CC->user, CC->curr_user);
 908
 909         if (!strcasecmp(towhere, "_BASEROOM_"))
 910                 safestrncpy(towhere, config.c_baseroom, sizeof towhere);
 911
 912         if (!strcasecmp(towhere, "_MAIL_"))
 913                 safestrncpy(towhere, MAILROOM, sizeof towhere);
 914
 915         if (!strcasecmp(towhere, "_BITBUCKET_"))
 916                 safestrncpy(towhere, config.c_twitroom, sizeof towhere);
 917
 918
 919         /* First try a regular match */
 920         c = getroom(&QRscratch, towhere);
 921
 922         /* Then try a mailbox name match */
 923         if (c != 0) {
 924                 MailboxName(augmented_roomname, sizeof augmented_roomname,
 925                             &CC->user, towhere);
 926                 c = getroom(&QRscratch, augmented_roomname);
 927                 if (c == 0)
 928                         safestrncpy(towhere, augmented_roomname, sizeof towhere);
 929         }
 930
 931         /* And if the room was found... */
 932         if (c == 0) {
 933
 934                 /* Let internal programs go directly to any room. */
 935                 if (CC->internal_pgm) {
 936                         memcpy(&CC->room, &QRscratch,
 937                                 sizeof(struct ctdlroom));
 938                         usergoto(NULL, 1, transiently, NULL, NULL);
 939                         return;
 940                 }
 941
 942                 /* See if there is an existing user/room relationship */
 943                 CtdlRoomAccess(&QRscratch, &CC->user, &ra, NULL);
 944
 945                 /* normal clients have to pass through security */
 946                 if (ra & UA_GOTOALLOWED) {
 947                         ok = 1;
 948                 }
 949
 950                 if (ok == 1) {
 951                         if ((QRscratch.QRflags & QR_MAILBOX) &&
 952                             ((ra & UA_GOTOALLOWED))) {
 953                                 memcpy(&CC->room, &QRscratch,
 954                                         sizeof(struct ctdlroom));
 955                                 usergoto(NULL, 1, transiently, NULL, NULL);
 956                                 return;
 957                         } else if ((QRscratch.QRflags & QR_PASSWORDED) &&
 958                             ((ra & UA_KNOWN) == 0) &&
 959                             (strcasecmp(QRscratch.QRpasswd, password)) &&
 960                             (CC->user.axlevel < 6)
 961                             ) {
 962                                 cprintf("%d wrong or missing passwd\n",
 963                                         ERROR + PASSWORD_REQUIRED);
 964                                 return;
 965                         } else if ((QRscratch.QRflags & QR_PRIVATE) &&
 966                                    ((QRscratch.QRflags & QR_PASSWORDED) == 0) &&
 967                                    ((QRscratch.QRflags & QR_GUESSNAME) == 0) &&
 968                                    ((ra & UA_KNOWN) == 0) &&
 969                                    (CC->user.axlevel < 6)
 970                                   ) {
 971                                 lprintf(CTDL_DEBUG, "Failed to acquire private room\n");
 972                         } else {
 973                                 memcpy(&CC->room, &QRscratch,
 974                                         sizeof(struct ctdlroom));
 975                                 usergoto(NULL, 1, transiently, NULL, NULL);
 976                                 return;
 977                         }
 978                 }
 979         }
 980
 981         cprintf("%d room '%s' not found\n", ERROR + ROOM_NOT_FOUND, towhere);
 982 }
 983
 984
 985 void cmd_whok(void)
 986 {
 987         struct ctdluser temp;
 988         struct cdbdata *cdbus;
 989         int ra;
 990
 991         getuser(&CC->user, CC->curr_user);
 992
 993         /*
 994          * This command is only allowed by aides, room aides,
 995          * and room namespace owners
 996          */
 997         if (is_room_aide()
 998            || (atol(CC->room.QRname) == CC->user.usernum) ) {
 999                 /* access granted */
1000         }
1001         else {
1002                 /* access denied */
1003                 cprintf("%d Higher access or room ownership required.\n",
1004                         ERROR + HIGHER_ACCESS_REQUIRED);
1005                 return;
1006         }
1007
1008         cprintf("%d Who knows room:\n", LISTING_FOLLOWS);
1009         cdb_rewind(CDB_USERS);
1010         while (cdbus = cdb_next_item(CDB_USERS), cdbus != NULL) {
1011                 memset(&temp, 0, sizeof temp);
1012                 memcpy(&temp, cdbus->ptr, sizeof temp);
1013                 cdb_free(cdbus);
1014
1015                 CtdlRoomAccess(&CC->room, &temp, &ra, NULL);
1016                 if ((CC->room.QRflags & QR_INUSE)
1017                     && (ra & UA_KNOWN)
1018                     )
1019                         cprintf("%s\n", temp.fullname);
1020         }
1021         cprintf("000\n");
1022 }
1023
1024
1025 /*
1026  * RDIR command for room directory
1027  */
1028 void cmd_rdir(void)
1029 {
1030         char buf[256];
1031         char flnm[256];
1032         char comment[256];
1033         FILE *ls, *fd;
1034         struct stat statbuf;
1035
1036         if (CtdlAccessCheck(ac_logged_in)) return;
1037
1038         getroom(&CC->room, CC->room.QRname);
1039         getuser(&CC->user, CC->curr_user);
1040
1041         if ((CC->room.QRflags & QR_DIRECTORY) == 0) {
1042                 cprintf("%d not here.\n", ERROR + NOT_HERE);
1043                 return;
1044         }
1045         if (((CC->room.QRflags & QR_VISDIR) == 0)
1046             && (CC->user.axlevel < 6)
1047             && (CC->user.usernum != CC->room.QRroomaide)) {
1048                 cprintf("%d not here.\n", ERROR + HIGHER_ACCESS_REQUIRED);
1049                 return;
1050         }
1051         cprintf("%d %s|%s/files/%s\n",
1052         LISTING_FOLLOWS, config.c_fqdn, CTDLDIR, CC->room.QRdirname);
1053
1054         snprintf(buf, sizeof buf, "ls %s/files/%s  >%s 2> /dev/null",
1055                 CTDLDIR, CC->room.QRdirname, CC->temp);
1056         system(buf);
1057
1058         snprintf(buf, sizeof buf, "%s/files/%s/filedir", CTDLDIR, CC->room.QRdirname);
1059         fd = fopen(buf, "r");
1060         if (fd == NULL)
1061                 fd = fopen("/dev/null", "r");
1062
1063         ls = fopen(CC->temp, "r");
1064         while (fgets(flnm, sizeof flnm, ls) != NULL) {
1065                 flnm[strlen(flnm) - 1] = 0;
1066                 if (strcasecmp(flnm, "filedir")) {
1067                         snprintf(buf, sizeof buf, "%s/files/%s/%s",
1068                                 CTDLDIR, CC->room.QRdirname, flnm);
1069                         stat(buf, &statbuf);
1070                         safestrncpy(comment, "", sizeof comment);
1071                         fseek(fd, 0L, 0);
1072                         while ((fgets(buf, sizeof buf, fd) != NULL)
1073                                && (strlen(comment) == 0)) {
1074                                 buf[strlen(buf) - 1] = 0;
1075                                 if ((!strncasecmp(buf, flnm, strlen(flnm)))
1076                                     && (buf[strlen(flnm)] == ' '))
1077                                         safestrncpy(comment,
1078                                             &buf[strlen(flnm) + 1],
1079                                             sizeof comment);
1080                         }
1081                         cprintf("%s|%ld|%s\n", flnm, (long)statbuf.st_size, comment);
1082                 }
1083         }
1084         fclose(ls);
1085         fclose(fd);
1086         unlink(CC->temp);
1087
1088         cprintf("000\n");
1089 }
1090
1091 /*
1092  * get room parameters (aide or room aide command)
1093  */
1094 void cmd_getr(void)
1095 {
1096         if (CtdlAccessCheck(ac_room_aide)) return;
1097
1098         getroom(&CC->room, CC->room.QRname);
1099         cprintf("%d%c%s|%s|%s|%d|%d|%d|%d|%d|\n",
1100                 CIT_OK,
1101                 CtdlCheckExpress(),
1102
1103                 ((CC->room.QRflags & QR_MAILBOX) ?
1104                         &CC->room.QRname[11] : CC->room.QRname),
1105
1106                 ((CC->room.QRflags & QR_PASSWORDED) ?
1107                         CC->room.QRpasswd : ""),
1108
1109                 ((CC->room.QRflags & QR_DIRECTORY) ?
1110                         CC->room.QRdirname : ""),
1111
1112                 CC->room.QRflags,
1113                 (int) CC->room.QRfloor,
1114                 (int) CC->room.QRorder,
1115
1116                 CC->room.QRdefaultview,
1117                 CC->room.QRflags2
1118                 );
1119 }
1120
1121
1122 /*
1123  * Back end function to rename a room.
1124  * You can also specify which floor to move the room to, or specify -1 to
1125  * keep the room on the same floor it was on.
1126  *
1127  * If you are renaming a mailbox room, you must supply the namespace prefix
1128  * in *at least* the old name!
1129  */
1130 int CtdlRenameRoom(char *old_name, char *new_name, int new_floor) {
1131         int old_floor = 0;
1132         struct ctdlroom qrbuf;
1133         struct ctdlroom qrtmp;
1134         int ret = 0;
1135         struct floor *fl;
1136         struct floor flbuf;
1137         long owner = 0L;
1138         char actual_old_name[ROOMNAMELEN];
1139
1140         lprintf(CTDL_DEBUG, "CtdlRenameRoom(%s, %s, %d)\n",
1141                 old_name, new_name, new_floor);
1142
1143         if (new_floor >= 0) {
1144                 fl = cgetfloor(new_floor);
1145                 if ((fl->f_flags & F_INUSE) == 0) {
1146                         return(crr_invalid_floor);
1147                 }
1148         }
1149
1150         begin_critical_section(S_ROOMS);
1151
1152         if ( (getroom(&qrtmp, new_name) == 0)
1153            && (strcasecmp(new_name, old_name)) ) {
1154                 ret = crr_already_exists;
1155         }
1156
1157         else if (getroom(&qrbuf, old_name) != 0) {
1158                 ret = crr_room_not_found;
1159         }
1160
1161         else if ( (CC->user.axlevel < 6)
1162                   && (CC->user.usernum != qrbuf.QRroomaide)
1163                   && ( (((qrbuf.QRflags & QR_MAILBOX) == 0) || (atol(qrbuf.QRname) != CC->user.usernum))) )  {
1164                 ret = crr_access_denied;
1165         }
1166
1167         else if (is_noneditable(&qrbuf)) {
1168                 ret = crr_noneditable;
1169         }
1170
1171         else {
1172                 /* Rename it */
1173                 safestrncpy(actual_old_name, qrbuf.QRname, sizeof actual_old_name);
1174                 if (qrbuf.QRflags & QR_MAILBOX) {
1175                         owner = atol(qrbuf.QRname);
1176                 }
1177                 if ( (owner > 0L) && (atol(new_name) == 0L) ) {
1178                         snprintf(qrbuf.QRname, sizeof(qrbuf.QRname),
1179                                         "%010ld.%s", owner, new_name);
1180                 }
1181                 else {
1182                         safestrncpy(qrbuf.QRname, new_name,
1183                                                 sizeof(qrbuf.QRname));
1184                 }
1185
1186                 /* Reject change of floor for baseroom/aideroom */
1187                 if (!strncasecmp(old_name, config.c_baseroom, ROOMNAMELEN) ||
1188                     !strncasecmp(old_name, config.c_aideroom, ROOMNAMELEN)) {
1189                         new_floor = 0;
1190                 }
1191
1192                 /* Take care of floor stuff */
1193                 old_floor = qrbuf.QRfloor;
1194                 if (new_floor < 0) {
1195                         new_floor = old_floor;
1196                 }
1197                 qrbuf.QRfloor = new_floor;
1198                 putroom(&qrbuf);
1199
1200                 begin_critical_section(S_CONFIG);
1201
1202                 /* If baseroom/aideroom name changes, update config */
1203                 if (!strncasecmp(old_name, config.c_baseroom, ROOMNAMELEN)) {
1204                         safestrncpy(config.c_baseroom, new_name, ROOMNAMELEN);
1205                         put_config();
1206                 }
1207                 if (!strncasecmp(old_name, config.c_aideroom, ROOMNAMELEN)) {
1208                         safestrncpy(config.c_aideroom, new_name, ROOMNAMELEN);
1209                         put_config();
1210                 }
1211
1212                 end_critical_section(S_CONFIG);
1213
1214                 /* If the room name changed, then there are now two room
1215                  * records, so we have to delete the old one.
1216                  */
1217                 if (strcasecmp(new_name, old_name)) {
1218                         b_deleteroom(actual_old_name);
1219                 }
1220
1221                 ret = crr_ok;
1222         }
1223
1224         end_critical_section(S_ROOMS);
1225
1226         /* Adjust the floor reference counts if necessary */
1227         if (new_floor != old_floor) {
1228                 lgetfloor(&flbuf, old_floor);
1229                 --flbuf.f_ref_count;
1230                 lputfloor(&flbuf, old_floor);
1231                 lprintf(CTDL_DEBUG, "Reference count for floor %d is now %d\n", old_floor, flbuf.f_ref_count);
1232                 lgetfloor(&flbuf, new_floor);
1233                 ++flbuf.f_ref_count;
1234                 lputfloor(&flbuf, new_floor);
1235                 lprintf(CTDL_DEBUG, "Reference count for floor %d is now %d\n", new_floor, flbuf.f_ref_count);
1236         }
1237
1238         /* ...and everybody say "YATTA!" */
1239         return(ret);
1240 }
1241
1242
1243 /*
1244  * set room parameters (aide or room aide command)
1245  */
1246 void cmd_setr(char *args)
1247 {
1248         char buf[256];
1249         int new_order = 0;
1250         int r;
1251         int new_floor;
1252         char new_name[ROOMNAMELEN];
1253
1254         if (CtdlAccessCheck(ac_logged_in)) return;
1255
1256         if (num_parms(args) >= 6) {
1257                 new_floor = extract_int(args, 5);
1258         } else {
1259                 new_floor = (-1);       /* don't change the floor */
1260         }
1261
1262         /* When is a new name more than just a new name?  When the old name
1263          * has a namespace prefix.
1264          */
1265         if (CC->room.QRflags & QR_MAILBOX) {
1266                 sprintf(new_name, "%010ld.", atol(CC->room.QRname) );
1267         } else {
1268                 safestrncpy(new_name, "", sizeof new_name);
1269         }
1270         extract_token(&new_name[strlen(new_name)], args, 0, '|', (sizeof new_name - strlen(new_name)));
1271
1272         r = CtdlRenameRoom(CC->room.QRname, new_name, new_floor);
1273
1274         if (r == crr_room_not_found) {
1275                 cprintf("%d Internal error - room not found?\n", ERROR + INTERNAL_ERROR);
1276         } else if (r == crr_already_exists) {
1277                 cprintf("%d '%s' already exists.\n",
1278                         ERROR + ALREADY_EXISTS, new_name);
1279         } else if (r == crr_noneditable) {
1280                 cprintf("%d Cannot edit this room.\n", ERROR + NOT_HERE);
1281         } else if (r == crr_invalid_floor) {
1282                 cprintf("%d Target floor does not exist.\n",
1283                         ERROR + INVALID_FLOOR_OPERATION);
1284         } else if (r == crr_access_denied) {
1285                 cprintf("%d You do not have permission to edit '%s'\n",
1286                         ERROR + HIGHER_ACCESS_REQUIRED,
1287                         CC->room.QRname);
1288         } else if (r != crr_ok) {
1289                 cprintf("%d Error: CtdlRenameRoom() returned %d\n",
1290                         ERROR + INTERNAL_ERROR, r);
1291         }
1292
1293         if (r != crr_ok) {
1294                 return;
1295         }
1296
1297         getroom(&CC->room, new_name);
1298
1299         /* Now we have to do a bunch of other stuff */
1300
1301         if (num_parms(args) >= 7) {
1302                 new_order = extract_int(args, 6);
1303                 if (new_order < 1)
1304                         new_order = 1;
1305                 if (new_order > 127)
1306                         new_order = 127;
1307         }
1308
1309         lgetroom(&CC->room, CC->room.QRname);
1310
1311         /* Directory room */
1312         extract_token(buf, args, 2, '|', sizeof buf);
1313         buf[15] = 0;
1314         safestrncpy(CC->room.QRdirname, buf,
1315                 sizeof CC->room.QRdirname);
1316
1317         /* Default view */
1318         if (num_parms(args) >= 8) {
1319                 CC->room.QRdefaultview = extract_int(args, 7);
1320         }
1321
1322         /* Second set of flags */
1323         if (num_parms(args) >= 9) {
1324                 CC->room.QRflags2 = extract_int(args, 8);
1325         }
1326
1327         /* Misc. flags */
1328         CC->room.QRflags = (extract_int(args, 3) | QR_INUSE);
1329         /* Clean up a client boo-boo: if the client set the room to
1330          * guess-name or passworded, ensure that the private flag is
1331          * also set.
1332          */
1333         if ((CC->room.QRflags & QR_GUESSNAME)
1334             || (CC->room.QRflags & QR_PASSWORDED))
1335                 CC->room.QRflags |= QR_PRIVATE;
1336
1337         /* Some changes can't apply to BASEROOM */
1338         if (!strncasecmp(CC->room.QRname, config.c_baseroom,
1339                          ROOMNAMELEN)) {
1340                 CC->room.QRorder = 0;
1341                 CC->room.QRpasswd[0] = '\0';
1342                 CC->room.QRflags &= ~(QR_PRIVATE & QR_PASSWORDED &
1343                         QR_GUESSNAME & QR_PREFONLY & QR_MAILBOX);
1344                 CC->room.QRflags |= QR_PERMANENT;
1345         } else {
1346                 /* March order (doesn't apply to AIDEROOM) */
1347                 if (num_parms(args) >= 7)
1348                         CC->room.QRorder = (char) new_order;
1349                 /* Room password */
1350                 extract_token(buf, args, 1, '|', sizeof buf);
1351                 buf[10] = 0;
1352                 safestrncpy(CC->room.QRpasswd, buf,
1353                             sizeof CC->room.QRpasswd);
1354                 /* Kick everyone out if the client requested it
1355                  * (by changing the room's generation number)
1356                  */
1357                 if (extract_int(args, 4)) {
1358                         time(&CC->room.QRgen);
1359                 }
1360         }
1361         /* Some changes can't apply to AIDEROOM */
1362         if (!strncasecmp(CC->room.QRname, config.c_baseroom,
1363                          ROOMNAMELEN)) {
1364                 CC->room.QRorder = 0;
1365                 CC->room.QRflags &= ~QR_MAILBOX;
1366                 CC->room.QRflags |= QR_PERMANENT;
1367         }
1368
1369         /* Write the room record back to disk */
1370         lputroom(&CC->room);
1371
1372         /* Create a room directory if necessary */
1373         if (CC->room.QRflags & QR_DIRECTORY) {
1374                 snprintf(buf, sizeof buf, "./files/%s", CC->room.QRdirname);
1375                 mkdir(buf, 0755);
1376         }
1377         snprintf(buf, sizeof buf, "%s> edited by %s\n", CC->room.QRname, CC->curr_user);
1378         aide_message(buf);
1379         cprintf("%d Ok\n", CIT_OK);
1380 }
1381
1382
1383
1384 /*
1385  * get the name of the room aide for this room
1386  */
1387 void cmd_geta(void)
1388 {
1389         struct ctdluser usbuf;
1390
1391         if (CtdlAccessCheck(ac_logged_in)) return;
1392
1393         if (getuserbynumber(&usbuf, CC->room.QRroomaide) == 0) {
1394                 cprintf("%d %s\n", CIT_OK, usbuf.fullname);
1395         } else {
1396                 cprintf("%d \n", CIT_OK);
1397         }
1398 }
1399
1400
1401 /*
1402  * set the room aide for this room
1403  */
1404 void cmd_seta(char *new_ra)
1405 {
1406         struct ctdluser usbuf;
1407         long newu;
1408         char buf[SIZ];
1409         int post_notice;
1410
1411         if (CtdlAccessCheck(ac_room_aide)) return;
1412
1413         if (getuser(&usbuf, new_ra) != 0) {
1414                 newu = (-1L);
1415         } else {
1416                 newu = usbuf.usernum;
1417         }
1418
1419         lgetroom(&CC->room, CC->room.QRname);
1420         post_notice = 0;
1421         if (CC->room.QRroomaide != newu) {
1422                 post_notice = 1;
1423         }
1424         CC->room.QRroomaide = newu;
1425         lputroom(&CC->room);
1426
1427         /*
1428          * We have to post the change notice _after_ writing changes to
1429          * the room table, otherwise it would deadlock!
1430          */
1431         if (post_notice == 1) {
1432                 if (strlen(usbuf.fullname) > 0)
1433                         snprintf(buf, sizeof buf,
1434                                 "%s is now room aide for %s>\n",
1435                                 usbuf.fullname, CC->room.QRname);
1436                 else
1437                         snprintf(buf, sizeof buf,
1438                                 "There is now no room aide for %s>\n",
1439                                 CC->room.QRname);
1440                 aide_message(buf);
1441         }
1442         cprintf("%d Ok\n", CIT_OK);
1443 }
1444
1445 /*
1446  * Generate an associated file name for a room
1447  */
1448 void assoc_file_name(char *buf, size_t n,
1449                      struct ctdlroom *qrbuf, const char *prefix)
1450 {
1451         snprintf(buf, n, "./%s/%ld", prefix, qrbuf->QRnumber);
1452 }
1453
1454 /*
1455  * retrieve info file for this room
1456  */
1457 void cmd_rinf(void)
1458 {
1459         char filename[128];
1460         char buf[SIZ];
1461         FILE *info_fp;
1462
1463         assoc_file_name(filename, sizeof filename, &CC->room, "info");
1464         info_fp = fopen(filename, "r");
1465
1466         if (info_fp == NULL) {
1467                 cprintf("%d No info file.\n", ERROR + FILE_NOT_FOUND);
1468                 return;
1469         }
1470         cprintf("%d Info:\n", LISTING_FOLLOWS);
1471         while (fgets(buf, sizeof buf, info_fp) != NULL) {
1472                 if (strlen(buf) > 0)
1473                         buf[strlen(buf) - 1] = 0;
1474                 cprintf("%s\n", buf);
1475         }
1476         cprintf("000\n");
1477         fclose(info_fp);
1478 }
1479
1480 /*
1481  * Back end processing to delete a room and everything associated with it
1482  */
1483 void delete_room(struct ctdlroom *qrbuf)
1484 {
1485         struct floor flbuf;
1486         char filename[100];
1487
1488         lprintf(CTDL_NOTICE, "Deleting room <%s>\n", qrbuf->QRname);
1489
1490         /* Delete the info file */
1491         assoc_file_name(filename, sizeof filename, qrbuf, "info");
1492         unlink(filename);
1493
1494         /* Delete the image file */
1495         assoc_file_name(filename, sizeof filename, qrbuf, "images");
1496         unlink(filename);
1497
1498         /* Delete the room's network config file */
1499         assoc_file_name(filename, sizeof filename, qrbuf, "netconfigs");
1500         unlink(filename);
1501
1502         /* Delete the messages in the room
1503          * (Careful: this opens an S_ROOMS critical section!)
1504          */
1505         CtdlDeleteMessages(qrbuf->QRname, 0L, "");
1506
1507         /* Flag the room record as not in use */
1508         lgetroom(qrbuf, qrbuf->QRname);
1509         qrbuf->QRflags = 0;
1510         lputroom(qrbuf);
1511
1512         /* then decrement the reference count for the floor */
1513         lgetfloor(&flbuf, (int) (qrbuf->QRfloor));
1514         flbuf.f_ref_count = flbuf.f_ref_count - 1;
1515         lputfloor(&flbuf, (int) (qrbuf->QRfloor));
1516
1517         /* Delete the room record from the database! */
1518         b_deleteroom(qrbuf->QRname);
1519 }
1520
1521
1522
1523 /*
1524  * Check access control for deleting a room
1525  */
1526 int CtdlDoIHavePermissionToDeleteThisRoom(struct ctdlroom *qr) {
1527
1528         if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
1529                 return(0);
1530         }
1531
1532         if (is_noneditable(qr)) {
1533                 return(0);
1534         }
1535
1536         /*
1537          * For mailboxes, check stuff
1538          */
1539         if (qr->QRflags & QR_MAILBOX) {
1540
1541                 if (strlen(qr->QRname) < 12) return(0); /* bad name */
1542
1543                 if (atol(qr->QRname) != CC->user.usernum) {
1544                         return(0);      /* not my room */
1545                 }
1546
1547                 /* Can't delete your Mail> room */
1548                 if (!strcasecmp(&qr->QRname[12], MAILROOM)) return(0);
1549
1550                 /* Otherwise it's ok */
1551                 return(1);
1552         }
1553
1554         /*
1555          * For normal rooms, just check for aide or room aide status.
1556          */
1557         return(is_room_aide());
1558 }
1559
1560 /*
1561  * aide command: kill the current room
1562  */
1563 void cmd_kill(char *argbuf)
1564 {
1565         char deleted_room_name[ROOMNAMELEN];
1566         char msg[SIZ];
1567         int kill_ok;
1568
1569         kill_ok = extract_int(argbuf, 0);
1570
1571         if (CtdlDoIHavePermissionToDeleteThisRoom(&CC->room) == 0) {
1572                 cprintf("%d Can't delete this room.\n", ERROR + NOT_HERE);
1573                 return;
1574         }
1575         if (kill_ok) {
1576                 if (CC->room.QRflags & QR_MAILBOX) {
1577                         safestrncpy(deleted_room_name, &CC->room.QRname[11], sizeof deleted_room_name);
1578                 }
1579                 else {
1580                         safestrncpy(deleted_room_name, CC->room.QRname, sizeof deleted_room_name);
1581                 }
1582
1583                 /* Do the dirty work */
1584                 delete_room(&CC->room);
1585
1586                 /* Return to the Lobby */
1587                 usergoto(config.c_baseroom, 0, 0, NULL, NULL);
1588
1589                 /* tell the world what we did */
1590                 snprintf(msg, sizeof msg, "%s> killed by %s\n",
1591                          deleted_room_name, CC->curr_user);
1592                 aide_message(msg);
1593                 cprintf("%d '%s' deleted.\n", CIT_OK, deleted_room_name);
1594         } else {
1595                 cprintf("%d ok to delete.\n", CIT_OK);
1596         }
1597 }
1598
1599
1600 /*
1601  * Internal code to create a new room (returns room flags)
1602  *
1603  * Room types:  0=public, 1=guessname, 2=passworded, 3=inv-only,
1604  *              4=mailbox, 5=mailbox, but caller supplies namespace
1605  */
1606 unsigned create_room(char *new_room_name,
1607                      int new_room_type,
1608                      char *new_room_pass,
1609                      int new_room_floor,
1610                      int really_create,
1611                      int avoid_access,
1612                      int new_room_view)
1613 {
1614
1615         struct ctdlroom qrbuf;
1616         struct floor flbuf;
1617         struct visit vbuf;
1618
1619         lprintf(CTDL_DEBUG, "create_room(name=%s, type=%d, view=%d)\n",
1620                 new_room_name, new_room_type, new_room_view);
1621
1622         if (getroom(&qrbuf, new_room_name) == 0) {
1623                 lprintf(CTDL_DEBUG, "%s already exists.\n", new_room_name);
1624                 return(0);
1625         }
1626
1627         memset(&qrbuf, 0, sizeof(struct ctdlroom));
1628         safestrncpy(qrbuf.QRpasswd, new_room_pass, sizeof qrbuf.QRpasswd);
1629         qrbuf.QRflags = QR_INUSE;
1630         if (new_room_type > 0)
1631                 qrbuf.QRflags = (qrbuf.QRflags | QR_PRIVATE);
1632         if (new_room_type == 1)
1633                 qrbuf.QRflags = (qrbuf.QRflags | QR_GUESSNAME);
1634         if (new_room_type == 2)
1635                 qrbuf.QRflags = (qrbuf.QRflags | QR_PASSWORDED);
1636         if ( (new_room_type == 4) || (new_room_type == 5) )
1637                 qrbuf.QRflags = (qrbuf.QRflags | QR_MAILBOX);
1638
1639         /* If the user is requesting a personal room, set up the room
1640          * name accordingly (prepend the user number)
1641          */
1642         if (new_room_type == 4) {
1643                 MailboxName(qrbuf.QRname, sizeof qrbuf.QRname, &CC->user, new_room_name);
1644         }
1645         else {
1646                 safestrncpy(qrbuf.QRname, new_room_name, sizeof qrbuf.QRname);
1647         }
1648
1649         /* If the room is private, and the system administrator has elected
1650          * to automatically grant room aide privileges, do so now; otherwise,
1651          * set the room aide to undefined.
1652          */
1653         if ((qrbuf.QRflags & QR_PRIVATE) && (CREATAIDE == 1)) {
1654                 qrbuf.QRroomaide = CC->user.usernum;
1655         } else {
1656                 qrbuf.QRroomaide = (-1L);
1657         }
1658
1659         /*
1660          * If the caller is only interested in testing whether this will work,
1661          * return now without creating the room.
1662          */
1663         if (!really_create) return (qrbuf.QRflags);
1664
1665         qrbuf.QRnumber = get_new_room_number();
1666         qrbuf.QRhighest = 0L;   /* No messages in this room yet */
1667         time(&qrbuf.QRgen);     /* Use a timestamp as the generation number */
1668         qrbuf.QRfloor = new_room_floor;
1669         qrbuf.QRdefaultview = new_room_view;
1670
1671         /* save what we just did... */
1672         putroom(&qrbuf);
1673
1674         /* bump the reference count on whatever floor the room is on */
1675         lgetfloor(&flbuf, (int) qrbuf.QRfloor);
1676         flbuf.f_ref_count = flbuf.f_ref_count + 1;
1677         lputfloor(&flbuf, (int) qrbuf.QRfloor);
1678
1679         /* Grant the creator access to the room unless the avoid_access
1680          * parameter was specified.
1681          */
1682         if (avoid_access == 0) {
1683                 lgetuser(&CC->user, CC->curr_user);
1684                 CtdlGetRelationship(&vbuf, &CC->user, &qrbuf);
1685                 vbuf.v_flags = vbuf.v_flags & ~V_FORGET & ~V_LOCKOUT;
1686                 vbuf.v_flags = vbuf.v_flags | V_ACCESS;
1687                 CtdlSetRelationship(&vbuf, &CC->user, &qrbuf);
1688                 lputuser(&CC->user);
1689         }
1690
1691         /* resume our happy day */
1692         return (qrbuf.QRflags);
1693 }
1694
1695
1696 /*
1697  * create a new room
1698  */
1699 void cmd_cre8(char *args)
1700 {
1701         int cre8_ok;
1702         char new_room_name[ROOMNAMELEN];
1703         int new_room_type;
1704         char new_room_pass[32];
1705         int new_room_floor;
1706         int new_room_view;
1707         char *notification_message = NULL;
1708         unsigned newflags;
1709         struct floor *fl;
1710         int avoid_access = 0;
1711
1712         cre8_ok = extract_int(args, 0);
1713         extract_token(new_room_name, args, 1, '|', sizeof new_room_name);
1714         new_room_name[ROOMNAMELEN - 1] = 0;
1715         new_room_type = extract_int(args, 2);
1716         extract_token(new_room_pass, args, 3, '|', sizeof new_room_pass);
1717         avoid_access = extract_int(args, 5);
1718         new_room_view = extract_int(args, 6);
1719         new_room_pass[9] = 0;
1720         new_room_floor = 0;
1721
1722         if ((strlen(new_room_name) == 0) && (cre8_ok == 1)) {
1723                 cprintf("%d Invalid room name.\n", ERROR + ILLEGAL_VALUE);
1724                 return;
1725         }
1726
1727         if (!strcasecmp(new_room_name, MAILROOM)) {
1728                 cprintf("%d '%s' already exists.\n",
1729                         ERROR + ALREADY_EXISTS, new_room_name);
1730                 return;
1731         }
1732
1733         if (num_parms(args) >= 5) {
1734                 fl = cgetfloor(extract_int(args, 4));
1735                 if (fl == NULL) {
1736                         cprintf("%d Invalid floor number.\n",
1737                                 ERROR + INVALID_FLOOR_OPERATION);
1738                         return;
1739                 }
1740                 else if ((fl->f_flags & F_INUSE) == 0) {
1741                         cprintf("%d Invalid floor number.\n",
1742                                 ERROR + INVALID_FLOOR_OPERATION);
1743                         return;
1744                 } else {
1745                         new_room_floor = extract_int(args, 4);
1746                 }
1747         }
1748
1749         if (CtdlAccessCheck(ac_logged_in)) return;
1750
1751         if (CC->user.axlevel < config.c_createax) {
1752                 cprintf("%d You need higher access to create rooms.\n",
1753                         ERROR + HIGHER_ACCESS_REQUIRED);
1754                 return;
1755         }
1756
1757         if ((strlen(new_room_name) == 0) && (cre8_ok == 0)) {
1758                 cprintf("%d Ok to create rooms.\n", CIT_OK);
1759                 return;
1760         }
1761
1762         if ((new_room_type < 0) || (new_room_type > 5)) {
1763                 cprintf("%d Invalid room type.\n", ERROR + ILLEGAL_VALUE);
1764                 return;
1765         }
1766
1767         if (new_room_type == 5) {
1768                 if (CC->user.axlevel < 6) {
1769                         cprintf("%d Higher access required\n",
1770                                 ERROR + HIGHER_ACCESS_REQUIRED);
1771                         return;
1772                 }
1773         }
1774
1775         /* Check to make sure the requested room name doesn't already exist */
1776         newflags = create_room(new_room_name,
1777                                 new_room_type, new_room_pass, new_room_floor,
1778                                 0, avoid_access, new_room_view);
1779         if (newflags == 0) {
1780                 cprintf("%d '%s' already exists.\n",
1781                         ERROR + ALREADY_EXISTS, new_room_name);
1782                 return;
1783         }
1784
1785         if (cre8_ok == 0) {
1786                 cprintf("%d OK to create '%s'\n", CIT_OK, new_room_name);
1787                 return;
1788         }
1789
1790         /* If we reach this point, the room needs to be created. */
1791
1792         newflags = create_room(new_room_name,
1793                            new_room_type, new_room_pass, new_room_floor, 1, 0,
1794                            new_room_view);
1795
1796         /* post a message in Aide> describing the new room */
1797         notification_message = malloc(1024);
1798         snprintf(notification_message, 1024,
1799                 "%s> created by %s%s%s%s%s%s\n",
1800                 new_room_name,
1801                 CC->user.fullname,
1802                 ((newflags & QR_MAILBOX) ? " [personal]" : ""),
1803                 ((newflags & QR_PRIVATE) ? " [private]" : ""),
1804                 ((newflags & QR_GUESSNAME) ? " [hidden]" : ""),
1805                 ((newflags & QR_PASSWORDED) ? " Password: " : ""),
1806                 ((newflags & QR_PASSWORDED) ? new_room_pass : "")
1807         );
1808         aide_message(notification_message);
1809         free(notification_message);
1810
1811         cprintf("%d '%s' has been created.\n", CIT_OK, new_room_name);
1812 }
1813
1814
1815
1816 void cmd_einf(char *ok)
1817 {                               /* enter info file for current room */
1818         FILE *fp;
1819         char infofilename[SIZ];
1820         char buf[SIZ];
1821
1822         unbuffer_output();
1823
1824         if (CtdlAccessCheck(ac_room_aide)) return;
1825
1826         if (atoi(ok) == 0) {
1827                 cprintf("%d Ok.\n", CIT_OK);
1828                 return;
1829         }
1830         assoc_file_name(infofilename, sizeof infofilename, &CC->room, "info");
1831         lprintf(CTDL_DEBUG, "opening\n");
1832         fp = fopen(infofilename, "w");
1833         lprintf(CTDL_DEBUG, "checking\n");
1834         if (fp == NULL) {
1835                 cprintf("%d Cannot open %s: %s\n",
1836                   ERROR + INTERNAL_ERROR, infofilename, strerror(errno));
1837                 return;
1838         }
1839         cprintf("%d Send info...\n", SEND_LISTING);
1840
1841         do {
1842                 client_getln(buf, sizeof buf);
1843                 if (strcmp(buf, "000"))
1844                         fprintf(fp, "%s\n", buf);
1845         } while (strcmp(buf, "000"));
1846         fclose(fp);
1847
1848         /* now update the room index so people will see our new info */
1849         lgetroom(&CC->room, CC->room.QRname);           /* lock so no one steps on us */
1850         CC->room.QRinfo = CC->room.QRhighest + 1L;
1851         lputroom(&CC->room);
1852 }
1853
1854
1855 /*
1856  * cmd_lflr()   -  List all known floors
1857  */
1858 void cmd_lflr(void)
1859 {
1860         int a;
1861         struct floor flbuf;
1862
1863         if (CtdlAccessCheck(ac_logged_in)) return;
1864
1865         cprintf("%d Known floors:\n", LISTING_FOLLOWS);
1866
1867         for (a = 0; a < MAXFLOORS; ++a) {
1868                 getfloor(&flbuf, a);
1869                 if (flbuf.f_flags & F_INUSE) {
1870                         cprintf("%d|%s|%d\n",
1871                                 a,
1872                                 flbuf.f_name,
1873                                 flbuf.f_ref_count);
1874                 }
1875         }
1876         cprintf("000\n");
1877 }
1878
1879
1880
1881 /*
1882  * create a new floor
1883  */
1884 void cmd_cflr(char *argbuf)
1885 {
1886         char new_floor_name[256];
1887         struct floor flbuf;
1888         int cflr_ok;
1889         int free_slot = (-1);
1890         int a;
1891
1892         extract_token(new_floor_name, argbuf, 0, '|', sizeof new_floor_name);
1893         cflr_ok = extract_int(argbuf, 1);
1894
1895         if (CtdlAccessCheck(ac_aide)) return;
1896
1897         if (strlen(new_floor_name) == 0) {
1898                 cprintf("%d Blank floor name not allowed.\n",
1899                         ERROR + ILLEGAL_VALUE);
1900                 return;
1901         }
1902
1903         for (a = 0; a < MAXFLOORS; ++a) {
1904                 getfloor(&flbuf, a);
1905
1906                 /* note any free slots while we're scanning... */
1907                 if (((flbuf.f_flags & F_INUSE) == 0)
1908                     && (free_slot < 0))
1909                         free_slot = a;
1910
1911                 /* check to see if it already exists */
1912                 if ((!strcasecmp(flbuf.f_name, new_floor_name))
1913                     && (flbuf.f_flags & F_INUSE)) {
1914                         cprintf("%d Floor '%s' already exists.\n",
1915                                 ERROR + ALREADY_EXISTS,
1916                                 flbuf.f_name);
1917                         return;
1918                 }
1919         }
1920
1921         if (free_slot < 0) {
1922                 cprintf("%d There is no space available for a new floor.\n",
1923                         ERROR + INVALID_FLOOR_OPERATION);
1924                 return;
1925         }
1926         if (cflr_ok == 0) {
1927                 cprintf("%d ok to create...\n", CIT_OK);
1928                 return;
1929         }
1930         lgetfloor(&flbuf, free_slot);
1931         flbuf.f_flags = F_INUSE;
1932         flbuf.f_ref_count = 0;
1933         safestrncpy(flbuf.f_name, new_floor_name, sizeof flbuf.f_name);
1934         lputfloor(&flbuf, free_slot);
1935         cprintf("%d %d\n", CIT_OK, free_slot);
1936 }
1937
1938
1939
1940 /*
1941  * delete a floor
1942  */
1943 void cmd_kflr(char *argbuf)
1944 {
1945         struct floor flbuf;
1946         int floor_to_delete;
1947         int kflr_ok;
1948         int delete_ok;
1949
1950         floor_to_delete = extract_int(argbuf, 0);
1951         kflr_ok = extract_int(argbuf, 1);
1952
1953         if (CtdlAccessCheck(ac_aide)) return;
1954
1955         lgetfloor(&flbuf, floor_to_delete);
1956
1957         delete_ok = 1;
1958         if ((flbuf.f_flags & F_INUSE) == 0) {
1959                 cprintf("%d Floor %d not in use.\n",
1960                         ERROR + INVALID_FLOOR_OPERATION, floor_to_delete);
1961                 delete_ok = 0;
1962         } else {
1963                 if (flbuf.f_ref_count != 0) {
1964                         cprintf("%d Cannot delete; floor contains %d rooms.\n",
1965                                 ERROR + INVALID_FLOOR_OPERATION,
1966                                 flbuf.f_ref_count);
1967                         delete_ok = 0;
1968                 } else {
1969                         if (kflr_ok == 1) {
1970                                 cprintf("%d Ok\n", CIT_OK);
1971                         } else {
1972                                 cprintf("%d Ok to delete...\n", CIT_OK);
1973                         }
1974
1975                 }
1976
1977         }
1978
1979         if ((delete_ok == 1) && (kflr_ok == 1))
1980                 flbuf.f_flags = 0;
1981         lputfloor(&flbuf, floor_to_delete);
1982 }
1983
1984 /*
1985  * edit a floor
1986  */
1987 void cmd_eflr(char *argbuf)
1988 {
1989         struct floor flbuf;
1990         int floor_num;
1991         int np;
1992
1993         np = num_parms(argbuf);
1994         if (np < 1) {
1995                 cprintf("%d Usage error.\n", ERROR + ILLEGAL_VALUE);
1996                 return;
1997         }
1998
1999         if (CtdlAccessCheck(ac_aide)) return;
2000
2001         floor_num = extract_int(argbuf, 0);
2002         lgetfloor(&flbuf, floor_num);
2003         if ((flbuf.f_flags & F_INUSE) == 0) {
2004                 lputfloor(&flbuf, floor_num);
2005                 cprintf("%d Floor %d is not in use.\n",
2006                         ERROR + INVALID_FLOOR_OPERATION, floor_num);
2007                 return;
2008         }
2009         if (np >= 2)
2010                 extract_token(flbuf.f_name, argbuf, 1, '|', sizeof flbuf.f_name);
2011         lputfloor(&flbuf, floor_num);
2012
2013         cprintf("%d Ok\n", CIT_OK);
2014 }